Home / 1,662,165.64-2,492,362.32-862,642.18

Finding the Fourth Proportional to 1,662,165.64, 2,492,362.32 and 862,642.18

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Solution

The fourth proportional to 1,662,165.64, 2,492,362.32 and 862,642.18 is: 1,293,503.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,662,165.64 : 2,492,362.32 = 862,642.18 : x
  2. Step 2: Convert to fraction form
    1,662,165.64/2,492,362.32 = 862,642.18/x
  3. Step 3: Cross multiply
    1,662,165.64x = 2,492,362.32 × 862,642.18
  4. Step 4: Simplify right side
    1,662,165.64x = 2,150,016,865,074.66
  5. Step 5: Solve for x
    x = 2,150,016,865,074.66/1,662,165.64
  6. Step 6: Final answer
    x = 1,293,503.37

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.